#include<stdio.h>

int main()
{
	int n;
	scanf("%d",&n);
	switch(n)
	{
		case 1:printf("Monday\n");break;
		case 2:printf("Tuesday\n");break;
		case 3:printf("Wednesday\n");break;
		case 4:printf("Thursday\n");break;
		case 5:printf("Friday\n");break;
		case 6:printf("Saturday\n");break;
		case 7:printf("Sunday\n");break;
		default:printf("Input Error\n");
	} 
	return 0;
}
